BAP70-05,215

RF Diode Overview

The BAP70-05 is a silicon PIN diode featuring two planar elements in a common cathode configuration, housed in an SOT23 small surface-mount plastic package. It is qualified under AEC-Q101 standards for automotive reliability. Key electrical parameters include a continuous reverse voltage of 50 V and a forward current rating of 100 mA. The device exhibits low diode capacitance, ranging from 250 fF to 600 fF depending on bias, and very low series inductance of approximately 1.4 nH at 100 MHz. Total power dissipation is rated at 250 mW with the solder point temperature maintained at or below 90 °C.

RF Diode Feature Summary

• High voltage capability with current-controlled operation suitable for RF applications
• Low diode capacitance and low series inductance for high-frequency performance
• AEC-Q101 qualified for automotive environment reliability

RF Diode Applications

• RF attenuators
• RF switches

RF Diode Procurement Notes

Verify the specific ordering suffix matches the required packaging format, as standard tape-and-reel quantities may vary by region. Confirm that the component meets the necessary automotive qualification standards if deployed in vehicle systems. Ensure thermal management designs account for the specified junction-to-solder point thermal resistance to maintain safe operating temperatures during continuous forward current flow.

RF Diode Selection Notes

Select this component when a dual-diode PIN structure in a common cathode arrangement is required within a compact SOT23 footprint. The low inductance and capacitance characteristics make it appropriate for radio frequency signal processing tasks. Verify that the maximum reverse voltage and forward current ratings align with the circuit's peak operational stresses to ensure long-term reliability.

RF Diode Part Context

This part belongs to NXP Semiconductors' portfolio of silicon PIN diodes designed for radio frequency control applications. The BAP70-05 variant specifically integrates two diodes into a single package to save board space compared to discrete implementations. It serves as a current-controlled variable resistor for attenuation and switching functions in communication equipment.

RF Diode Replacement Considerations

Direct replacements must match the SOT23 package, common cathode configuration, and 50V reverse voltage rating. Verify that substitute components offer comparable low capacitance and inductance values to maintain RF performance integrity in existing circuit designs.